Depth First Search Algoritm to Compute The k-th Lexicographical String of All Happy Strings of Length n
A happy string is a string that: consists only of letters of the set . s != s for all values of i from 1 to s.length – 1 …
Category: c / c++
Compute the Minimum Value to Get Positive Step by Step Sum using Prefix Sum Algorithm
Given an array of integers nums, you start with an initial positive value startValue. In each iteration, you calculate the step by step sum of startValue plus elements in …
Dynamic Programming Algorithm to Compute the Block Sum in a Matrix
Given a m * n matrix mat and an integer K, return a matrix answer where each answer is the sum of all elements mat for i – K …
How to Use Priority Queue in Java or C++ to Compute Last Stone Weight?
We have a collection of stones, each stone has a positive integer weight. Each turn, we choose the two heaviest stones and smash them together. Suppose the stones have …
Number of Steps to Reduce a Number in Binary Representation to One
Given a number s in their binary representation. Return the number of steps to reduce it to 1 under the following rules: If the current number is even, you …